The graphs of the equations y=x^2 and y=k-x^2,where k is a constant,are shown above.If the length of AB is an integer,which of the following CANNOT be the value of A 2 B 8 C 12 D 18 E 32

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Thegraphsoftheequationsy=x^2andy=k-x^2,wherekisaconstant,areshownabove.IfthelengthofABisaninteger,wh

The graphs of the equations y=x^2 and y=k-x^2,where k is a constant,are shown above.If the length of AB is an integer,which of the following CANNOT be the value of A 2 B 8 C 12 D 18 E 32

The graphs of the equations y=x^2 and y=k-x^2,where k is a constant,are shown above.If the length of AB is an integer,which of the following CANNOT be the value of

A 2     B 8     C 12     D 18     E 32

The graphs of the equations y=x^2 and y=k-x^2,where k is a constant,are shown above.If the length of AB is an integer,which of the following CANNOT be the value of A 2 B 8 C 12 D 18 E 32
k-x2=x2
x2=k\2
Because the length of AB is integer,then the value of x is integer,and so k\2 can not be 12.

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